Allergies & Pollen Count for Trail, Oregon
Today's Condition
Discussion
The amount of pollen in the air for Monday will be falling into the extremely low range. This relief in pollen levels is caused in part by falling temperatures, rising humidity, and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.
Allergy Facts
Pollen levels vary in amount from year to year. The pollen levels from the birch tree, for example, can vary as much as by a factor of 15 from year to year.